TMI

When- March 28th 1979 at 4 a.m

What- Radioactive gas causing the plant to shut down no injuries or adverse affects

Improvements- Upgrade on plant design, Improve instruction and programs

Impact on us- Enviroment samples of air, water, milk, vegtables, soi. 12 years to clean up costing $273 million
Can only be exposed to 6 millirem but during melt down people were exposed to 100-125 millirem